Enable libsnapshot to export the size of the COW image, representing the
fraction of the COW device that is temporarily created in the /data
partition, computed just before initializing a merge operation.
Thise additional information can be used by other components (i.e.,
update engine) to enrich Virtual A/B metrics.
Bug: 154016862
Test: manual OTA
Signed-off-by: Alessio Balsini <balsini@google.com>
Change-Id: I4faa0785f23884e26161e0d51268dd7a305d86bf
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Change-Id: I30f9950c043a05750e54fe6b24c2952f995bae93
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Change-Id: I61a42091b2c04c0857526c15d42c1cc51aa5ca19
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Change-Id: I3f8b8eb76f73f6b39971f2399f90c1225a136398
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Change-Id: I191153e6bd3e904a1f23b363fa28b9ec3c5bcbe0
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Change-Id: I7eaaa53f408d2c1b2e7ea4c85b55c32e3361ad9e
Instead of aborting when FileMap::create detects an overflow, detect the
overflow directly and fail the call.
Bug: 156997193
Test: Ran unit tests, including new unit test that aborted before.
Merged-In: Ie49975b8949fd12bbde14346ec9bbb774ef88a51
Change-Id: Ie49975b8949fd12bbde14346ec9bbb774ef88a51
(cherry picked from commit 68604b9c29)
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Change-Id: Ib85cadc0fc64c4d4635202468c8f01fe2047bdc1
Currently the ReadDefaultFstab function, which calls GetFstabPath,
makes some assumptions about what the fstab will be called and where
it is located. This is being used by vold to set up userdata encryption
and for gsid, and is even used in the default boot control HAL, so it
has become quite baked.
The original way for a board to specify things to mount was to use the
"mount_all /path/to/fstab" command in init.rc. However, due to the
above functionality, the path after mount_all is no longer very useful,
as it cannot differ from the inferred path, or userdata encryption and
other features will be broken.
On Cuttlefish, we have an interest in being able to test alternative
userdata configurations (ext4 vs f2fs, encryption on/off, etc.) and
currently the only way to achieve this is to either a) modify the
ro.hardware or ro.hardware.platform properties, which breaks a bunch
of things like default HAL filenames, or regenerate our odm.img or
vendor.img filesystems. We can't simply install another fstab and
point to it with "mount_all".
This change allows the fstab path to be omitted from "mount_all", and
adds another property which overrides the existing checks for
fstab.${ro.hardware} and fstab.${ro.hardware.platform}. Specifying
${ro.boot.fstab_suffix} will cause fstab.${ro.boot.fstab_suffix}
to be checked first.
Bug: 142424832
Test: booted cuttlefish with 'mount_all ${ro.hardware} --late'
Test: booted cuttlefish with 'mount_all --late'
Test: booted cuttlefish with 'mount_all --late' and fstab_suffix=f2fs
Test: partially booted cuttlefish with 'mount_all ${ro.hardware}'
Test: partially booted cuttlefish with 'mount_all'
Change-Id: I3e10f66aecfcd48bdb9ebf1d304b7aae745cbd3c
Merged-In: I3e10f66aecfcd48bdb9ebf1d304b7aae745cbd3c
This was a typo; the enum corresponds to the result of the 'Filter'
function, not the 'FlushTo' function.
Test: build
Change-Id: Ib46f0646570b6dbaac17ae9fc95c990128cdbe72
